[Examples] Update dependency versions

Author: mpkorstanje

examples/java-wicket/java-wicket-main/pom.xml

@@ -11,8 +11,8 @@
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.wicket.main</project.Automatic-Module-Name>
-        <wicket.version>8.8.0</wicket.version>
-        <jetty.version>9.4.30.v20200611</jetty.version>
+        <wicket.version>9.0.0</wicket.version>
+        <jetty.version>9.4.31.v20200723</jetty.version>
         <jcl-over-slf4.version>1.7.30</jcl-over-slf4.version>
         <logback-classic.version>1.2.3</logback-classic.version>
     </properties>

examples/java-wicket/java-wicket-test/pom.xml

@@ -10,7 +10,7 @@
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.wicket.test</project.Automatic-Module-Name>
-        <htmlunit.version>2.41.0</htmlunit.version>
+        <htmlunit.version>2.42.0</htmlunit.version>
     </properties>
 
     <build>

examples/spring-txn/pom.xml

@@ -13,7 +13,7 @@
 
     <properties>
         <project.Automatic-Module-Name>io.cucumber.examples.spring.txn</project.Automatic-Module-Name>
-        <spring-boot.version>2.3.1.RELEASE</spring-boot.version>
+        <spring-boot.version>2.3.2.RELEASE</spring-boot.version>
     </properties>
 
     <dependencyManagement>